package com.heima.search.interceptor;

import com.heima.common.dto.User;
import com.heima.common.util.UserThreadLocalUtil;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @description:
 * @author: UserInterceptor
 * @time: 2022/6/28
 */
public class UserInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        String userId = request.getHeader("userId");
        String name = request.getHeader("name");
        // 有用户id,将用户id设置到本地线程中
        if (userId != null) {
            User user = new User();
            user.setUserId(Integer.parseInt(userId));
            user.setName(name);
            UserThreadLocalUtil.set(user);
        }
        return true;
    }
    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        UserThreadLocalUtil.remove();
    }
}
